CN210948697U - Door type steel formwork supporting system for construction of rectangular tunnel secondary lining structure - Google Patents
Door type steel formwork supporting system for construction of rectangular tunnel secondary lining structure Download PDFInfo
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- CN210948697U CN210948697U CN201921510765.4U CN201921510765U CN210948697U CN 210948697 U CN210948697 U CN 210948697U CN 201921510765 U CN201921510765 U CN 201921510765U CN 210948697 U CN210948697 U CN 210948697U
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Abstract
The utility model discloses a gate-type shaped steel template support system for two lining structure constructions in rectangle tunnel, include the template support system that is provided with main joist (6) in two lining structure in the tunnel (1), and the bridging (3), rotatable telescopic link (7) that set up on main joist (6) constitute the horizontal support and the fixed knot structure of main joist (6), the utility model discloses easily install, easily operation, the component is lighter, and economic benefits is good, organizes the segmentation construction and can increase substantially the construction progress.
Description
Technical Field
The utility model relates to a two lining template support systems in rectangular tunnel especially relates to a novel gate-type shaped steel template support system of two lining structures in single cabin or many cabins rectangular tunnel.
Background
At present, the two-lining structure template of the tunnel mainly adopts a steel mould trolley template system which mainly comprises a customized steel mould and a traveling system, has high manufacturing cost and is suitable for engineering with larger tunnel section and longer length. For a rectangular tunnel with short tunnel length and narrow section, the steel mould trolley is large in investment at one time, large in assembling difficulty in a small space, complex in assembling process and difficult to apply to the construction of a secondary lining of the rectangular tunnel with small section area.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that adopt platform truck template with high costs, assemble the difficult problem that the degree of difficulty is big, assembly process is complicated, the operation degree of difficulty is big in little space to the rectangle tunnel steel mould, provide a novel gate-type shaped steel template support system who uses in the construction of two lining structures in rectangle tunnel, utilize I-steel cooperation plank sheathing to use, reach easy operation, the construction progress is fast, reduce cost's effect.
The utility model discloses the technical problem that solve is realized through following technical scheme:
a novel door type steel support template system applied to construction of a rectangular tunnel secondary lining structure comprises a template support system provided with main keels in the tunnel secondary lining structure, wherein main keel cushion blocks are arranged at the bottoms of the main keels; the main keel is provided with a transverse supporting and fixing structure of the main keel, which is composed of a cross brace and a rotatable telescopic rod; and a template is arranged between the main keel and the tunnel secondary lining structure.
And a secondary keel is arranged between the template and the main keel.
The main keel, the scissor supports and the rotary telescopic rod are connected through a first connecting rod piece and a second connecting rod piece respectively.
The first connecting rod piece and the second connecting rod piece are adjustable pin bolts.
The rotatable telescopic link is a seamless steel pipe manual rotation telescopic link.
The main keel cushion block is a wood purlin or a base plate and is mainly used for adjusting the elevation of the main keel.
The I-steel main keel is used as a main bearing component of the template supporting system, the load of the top plate concrete is transmitted to the structural bottom plate, and the specification and the shape of the I-steel main keel can be set according to the characteristics of the two-lining structure.
The bottom sets up the cushion adopts the cushion that thickness is different can carry out local fine setting to the main joist elevation to this guarantees two lining structure clean height in tunnel.
The telescopic link of manual rotation of seamless steel pipe is the stull component, for horizontal support and fixed knot structure, and the main function is two lining templates interval in regulation tunnel both sides, guarantees two lining both sides structure sizes in tunnel, and its both ends adopt the connecting rod piece to be connected with the main joist, and the clear width size in scalable regulation tunnel two lining cross-section. Therefore, the length of the rotary telescopic rod is adjusted through the rotary adjusting bolt, the main keel supporting and fixing effects are achieved, and meanwhile, the transverse section of the structure is accurately controlled.
The I-steel cross bracing mainly has the effects of ensuring the integral stability of a main keel door type supporting system and the section size of a tunnel secondary lining, simultaneously playing the role of fixing the main keel, and adopting a connecting rod piece to be connected with the main keel.
The novel portal type steel support template system applied to the construction of a rectangular tunnel secondary lining structure can be suitable for a rectangular tunnel supporting template system with a small section and a rectangular tunnel supporting template system with a larger section, so that the portal type steel support template system can be respectively implemented in a single cabin formed by the small section or a single cabin formed by a large section, and synchronous construction of a large-section or small-section double cabin, three cabins and the like which exist simultaneously can be combined and carried out simultaneously.
The utility model adopts the above technical scheme have following beneficial technological effect for prior art:
the utility model comprises a template supporting system provided with a main keel in a tunnel secondary lining structure, and a transverse supporting and fixing structure of the main keel, which is composed of a cross brace and a rotatable telescopic rod arranged on the main keel, the component has light weight, can be assembled manually, and is suitable for the parts with complicated construction environment and difficult use of hoisting facilities; compared with a steel mould trolley, the portal type steel mould plate supporting system has simple structure and short processing period, and avoids the defect of long processing period of the steel mould trolley; the novel portal type steel template supporting system can be formulated according to a field structure, has strong flexibility, and is particularly suitable for a secondary lining structure of a rectangular tunnel or other special-shaped tunnel sections; novel door-type die carrier is compared steel mould platform truck and is guaranteeing two lining structure quality and safety when, and reduce cost by a wide margin, economic benefits is good, can take the segmentation construction, and the construction progress is fast.
Therefore, the utility model discloses have easily installation, easily operation, the component is lighter, makes things convenient for workman's operation, and economic benefits is good, organizes the segmentation construction and can increase substantially the construction progress.
Drawings
FIG. 1 is a front view of the supporting template system of the small-section rectangular tunnel of the present invention
FIG. 2 is a front view of the supporting template system of the rectangular tunnel with a large cross section of the utility model
FIG. 3 is a schematic view of a construction structure of the single cabin of FIG. 1
FIG. 4 is a schematic view of the synchronous construction structure of the double cabins in FIGS. 1 and 2
FIG. 5 is a schematic view of the three-cabin synchronous construction structure of FIGS. 1 and 2
FIG. 6 is a schematic view of the forming structure of FIGS. 1 and 2
The tunnel lining structure comprises a tunnel secondary lining structure 1, a second connecting rod piece 2, a cross brace 3, a template 4, a secondary keel 5, a main keel 6, a rotatable telescopic rod 7, a first connecting rod piece 8 and a main keel base plate 9.
Detailed Description
As shown in fig. 1, fig. 2, fig. 3, fig. 4, fig. 5, and fig. 6, a novel portal type steel support formwork system applied to the construction of a rectangular tunnel secondary lining structure includes a formwork support system mainly comprising i-steel main keels 6 arranged in a tunnel secondary lining structure 1, and main keel cushion blocks 9 arranged at the bottoms of the main keels; the main keel 6 is provided with a transverse supporting and fixing structure of the main keel, which is composed of an I-shaped steel cross brace 3 and a seamless steel tube manual rotatable telescopic rod 7; and a template 4 is arranged between the main keel and the tunnel secondary lining structure. And a secondary keel 5 is arranged between the template and the main keel. The main keel 6, the scissor supports 3 and the rotary telescopic rod 7 are connected through a first connecting rod 8 and a second connecting rod 2 of the adjustable pin bolt respectively.
The secondary keel 5 is a wood purlin or a square steel pipe. The template 4 is a wood template, a steel mould or an aluminum mould. The main keel cushion block 9 is a wood purlin or a cushion plate.
The telescopic rods of the I-steel cross braces and the inner supports ensure the section size of the secondary lining of the pipe gallery tunnel and play a role in fixing the main keel.
And the template 4 calculates according to the thickness of the secondary lining concrete of the tunnel to determine the thickness of the template and the distance between the secondary keels.
The I-steel main keel 6 is mainly used for supporting the framework, and the distance between the I-steel main keel and the framework is determined through calculation.
The telescopic rod 7 is manually rotated by the seamless steel pipe to telescopically adjust the plane size of the section of the secondary lining of the tunnel.
The main keel base plate 9 is mainly used for adjusting the elevation of the I-shaped steel main keel 6.
The utility model discloses installation use as follows:
1. and after the bottom plate is poured, the two lining structure walls and the top plate steel bars are bound, and then the template 4 and the secondary keel 5 are installed, so that the template and the secondary keel can be assembled in a processing field in advance for reducing the installation difficulty.
2. Then, the I-steel main keels 6 are installed, the space between the main keels can be adjusted, and the proper height of the base plate is selected according to the elevation, so that the structural height is ensured.
3. And after the main keel 6 is installed, checking the elevation of the top plate, installing a rotatable telescopic rod after the correctness is confirmed, and adjusting the transverse size of the cross section of the structure.
4. And finally, installing a cross brace 3, and pouring structural concrete after acceptance inspection is qualified.
The utility model discloses compare with traditional steel platform truck construction method, have following advantage: the steel trolley in the prior art has long construction and processing period and high cost of a single steel trolley, and is difficult to operate for rectangular tunnels with small cross-sectional areas. The door type steel template supporting system of the utility model can be directly processed on site, the processing size can be adjusted according to the actual situation, the processing period is short, the cost is low, and the economic benefit is good; and the single member has small weight, simple installation, is particularly suitable for the rectangular tunnel with small cross-sectional area, has small number of members and can reserve enough construction space.
It should be noted that the above-mentioned embodiments of the present invention are only used for illustrating or explaining the principles of the present invention, and do not constitute limitations to the present invention. Therefore, any modification, equivalent replacement, improvement and the like made without departing from the spirit and scope of the present invention should be included in the protection scope of the present invention. Further, it is intended that the appended claims cover all such changes and modifications that fall within the scope and boundaries of the appended claims or the equivalents of such scope and boundaries.
Claims (10)
1. The utility model provides a gate-type shaped steel template support system for construction of two lining structures in rectangular tunnel, characterized by: the tunnel secondary lining structure comprises a template supporting system, wherein a main keel (6) is arranged in a tunnel secondary lining structure (1), and a main keel cushion block (9) is arranged at the bottom of the main keel (6); the main keel (6) is provided with a transverse supporting and fixing structure of the main keel (6) consisting of a cross brace (3) and a rotatable telescopic rod (7); and a template (4) is arranged between the main keel (6) and the tunnel secondary lining structure (1).
2. The portal type steel formwork support system for the construction of the rectangular tunnel secondary lining structure as claimed in claim 1, wherein: and a secondary keel (5) is arranged between the template (4) and the main keel (6).
3. The portal type steel formwork support system for the construction of the rectangular tunnel secondary lining structure according to claim 1 or 2, which is characterized in that: the main keel (6) is connected with the scissor supports (3) and the rotatable telescopic rod (7) through a first connecting rod piece (8) and a second connecting rod piece (2) respectively.
4. The portal type steel formwork support system for the construction of the rectangular tunnel secondary lining structure as claimed in claim 3, wherein: the first connecting rod piece (8) and the second connecting rod piece (2) are adjustable pin bolts.
5. The portal type steel formwork support system for the construction of the rectangular tunnel secondary lining structure according to claim 1 or 2, which is characterized in that: the main keel (6) is an I-steel main keel.
6. The portal type steel formwork support system for the construction of the rectangular tunnel secondary lining structure according to claim 1 or 2, which is characterized in that: the cross braces (3) are I-shaped steel cross braces.
7. The portal type steel formwork support system for the construction of the rectangular tunnel secondary lining structure according to claim 1 or 2, which is characterized in that: the rotatable telescopic rod (7) is a seamless steel pipe manual rotation telescopic rod.
8. The portal type steel formwork support system for the construction of the rectangular tunnel secondary lining structure as claimed in claim 2, wherein: the secondary keel (5) is a wood balk or a square steel pipe.
9. The portal type steel formwork support system for the construction of the rectangular tunnel secondary lining structure according to claim 1 or 2, which is characterized in that: the template (4) is a wood template, a steel template or an aluminum template.
10. The portal type steel formwork support system for the construction of the rectangular tunnel secondary lining structure according to claim 1 or 2, which is characterized in that: the main keel cushion block (9) is a wood purlin or a cushion plate with adjustable height.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921510765.4U CN210948697U (en) | 2019-09-11 | 2019-09-11 | Door type steel formwork supporting system for construction of rectangular tunnel secondary lining structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921510765.4U CN210948697U (en) | 2019-09-11 | 2019-09-11 | Door type steel formwork supporting system for construction of rectangular tunnel secondary lining structure |
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| CN210948697U true CN210948697U (en) | 2020-07-07 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201921510765.4U Active CN210948697U (en) | 2019-09-11 | 2019-09-11 | Door type steel formwork supporting system for construction of rectangular tunnel secondary lining structure |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111877138A (en) * | 2020-08-10 | 2020-11-03 | 漯河市公路事业发展中心 | Adjustable high-rigidity diaphragm plate device |
| CN113585337A (en) * | 2021-08-18 | 2021-11-02 | 中国十七冶集团有限公司 | Novel template support system of cast-in-place pipe gallery |
-
2019
- 2019-09-11 CN CN201921510765.4U patent/CN210948697U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111877138A (en) * | 2020-08-10 | 2020-11-03 | 漯河市公路事业发展中心 | Adjustable high-rigidity diaphragm plate device |
| CN113585337A (en) * | 2021-08-18 | 2021-11-02 | 中国十七冶集团有限公司 | Novel template support system of cast-in-place pipe gallery |
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